Zobrazeno 1 - 10
of 30
pro vyhledávání: '"D. P. Seccombe"'
Autor:
T J Reddish, J A MacAskill, W. A. van Wijngaarden, D. P. Seccombe, M. Łukomski, C McGrath, W. Kedzierski, S. Sutton, J Teeuwen, J W McConkey
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 38:3535-3545
A new magneto-optical trap designed specifically for the measurement of absolute electron impact cross sections is described. Experimental results for electron impact total cross sections involving 6 2 S ground state Cs are presented over the energy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::197a0f436b49a74754c43abc7332823f
https://doi.org/10.1088/0953-4075/38/19/006
https://doi.org/10.1088/0953-4075/38/19/006
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. :1005-1010
The toroidal energy- and angle-resolving electron spectrometer (TEARES) is a state-of-the-art instrument, which enables both the energy and angle of ejection of an electron to be measured simultaneously. First synchrotron results from TEARES are pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9f12cffd67fd415607d7d51789715c0
https://doi.org/10.1016/j.elspec.2005.01.101
https://doi.org/10.1016/j.elspec.2005.01.101
Publikováno v:
Phys. Chem. Chem. Phys.. 6:3081-3091
Using tunable vacuum-ultraviolet radiation from a synchrotron source, threshold photoelectron photoion coincidence spectroscopy has studied the unimolecular decay dynamics of the valence electronic states of CF\(_3\)-CH\(_3^+\) and CHF\(_2\)-CH\(_2\)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3ceb1e3835ae83168efcb511da8a355
https://doi.org/10.1039/b404604h
https://doi.org/10.1039/b404604h
Autor:
P Selles, T J Reddish, D. P. Seccombe, L. Malegat, A Huetz, S. A. Collins, Andrey K. Kazansky
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 35:3767-3780
The mutual angular distributions of the two ejected electrons following direct photodouble ionization have been measured for D2 at an excess energy (E) of 25 eV using linearly polarized light. These (γ ,2 e) ‘t riple’ differential cross sections
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a9be2dce8bf8d2e60e83ebf3e944ec0
https://doi.org/10.1088/0953-4075/35/17/312
https://doi.org/10.1088/0953-4075/35/17/312
Publikováno v:
Surface Review and Letters. :153-158
Threshold photoelectron–photoion coincidence (TPEPICO) spectroscopy has been used to investigate the decay dynamics of the valence electronic states of the parent cation of several hydrofluorocarbons (HFC), based on fluorine-substituted ethane, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb1969580027436100ca5c7dccc2ec6d
https://doi.org/10.1142/s0218625x0200204x
https://doi.org/10.1142/s0218625x0200204x
Autor:
D. P. Seccombe, S Cvejanovic, C Dawson, Anatoli Kheifets, A Huetz, F Maulbetsch, T J Reddish, J Mazeau
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 34:L525-L533
γ, 2e) triple differential cross sections (TDCS) are presented for helium at 60 eV above the photodouble ionisation threshold with energy sharing ratios ( R = E2/E1) for the two ejected electrons of R = 1, 5 and 11. The measurements were taken using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0811b4e086baa95e7b8399edb64a4a69
https://doi.org/10.1088/0953-4075/34/16/104
https://doi.org/10.1088/0953-4075/34/16/104
The design and performance of an effusive gas source of conical geometry for photoionization studies
Publikováno v:
Review of Scientific Instruments. 72:2550-2557
The design, construction, and performance of an effusive gas source of conical geometry is reported. This gas jet enables experiments that require the gas and photon beams to be essentially collinear and has a focusing multicapillary array with the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4428c0394f81f6370a2a13fff539f546
https://doi.org/10.1063/1.1373667
https://doi.org/10.1063/1.1373667
Publikováno v:
The Journal of Chemical Physics. 114:4058-4073
The vacuum-UV absorption and fluorescence spectroscopy of CF\(_2\)X\(_2\) (X=H,Cl,Br) in the range 190-690 nm is reported. Tunable vacuum-UV radiation in the range 8-22 eV from synchrotron sources at either Daresbury, UK or BESSY1, Germany is used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ede2e54d2991861382d8f95e1222c5c4
https://doi.org/10.1063/1.1344888
https://doi.org/10.1063/1.1344888
Publikováno v:
Chemical Physics Letters. 315:287-292
Analysis of the shapes of time-of-flight (TOF) peaks of singly-charged polyatomic cations produced in photoelectron–photoion coincidence spectra allows a determination of the total mean kinetic energy released into translational motion of the fragm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bd0ba3daf768acfb9c40f4b17ef205c
https://doi.org/10.1016/s0009-2614(99)01208-7
https://doi.org/10.1016/s0009-2614(99)01208-7
Autor:
D. P. Seccombe, Hans-Werner Jochims, K.J. Boyle, Helmut Baumgärtel, Richard P. Tuckett, H. Biehl
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. :101-107
Experiments are described in which UV and visible fluorescence is observed following vacuum-UV photoexcitation of a range of polyatomic molecules in the gas phase. Tunable radiation in the energy range 8–25 eV from synchrotron sources at Daresbury,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab6ee3ded3f981eff04730104fbcc5fb
https://doi.org/10.1016/s0368-2048(98)00419-8
https://doi.org/10.1016/s0368-2048(98)00419-8